THE powertrain of the new 911 GT3 comprises a 3.8-litre flat engine developing 350kW at 8 250rpm, a PDK double-clutch gearbox and rear-wheel-drive. The six-cylinder engine is based on that fitted in the 911 Carrera S, but shares only a few common parts. All other components, particularly the crankshaft and valve train, were specially adapted or developed for the GT3. For example, Porsche is once again using titanium connecting rods attached to forged pistons. These basic modifications set the stage for an extreme high revolution engine capable of reaching up to 9 000 rpm.
The new 911 GT3 is designed for further gains in precision and lateral dynamics throughout. Porsche is using active rear-wheel-steering for the first time. Depending on the speed, the system steers in the opposite or the same direction as the front wheels, thereby improving agility and stability. Among the other new driving dynamics features are the electronically-controlled, fully variable rear differential lock and the dynamic engine mounts.
The height, toe and camber of the newly-developed all-aluminium suspension are still adjustable. The new, 20-inch forged alloy wheels with central locking are used for optimal contact with the road. Traditionally, the 911 GT3 comes as a two-seater based on the lightweight body of the current generation 911 Carrera. However, the front and rear part are always model-specific. For this latest generation, the 911 GT3 is 44mm wider than a 911 Carrera S across the rear axle.
As a result, the new 911 GT3 once again sets fresh record performance values. At full acceleration from a standstill, 0-100km/h is passed after just 3.5 seconds and 200km/h in less than 12 seconds. The top speed of over 300km/h is reached in seventh gear of the PDK transmission.
The lap time on the Nürburgring-Nordschleife is even more impressive; the new 911 GT3 completed this track, commonly regarded as the most difficult in the world, in less than 7.30 minutes.